WASHINGTON—The Justice Department is targeting banks that service a broad range of what it considers questionable financial ventures, including online payday lenders.

The government has issued subpoenas to banks and other companies that handle payments for an array of financial offerings, ramping up an investigation that has been under way for several months, according to Justice Department officials and other people familiar with...

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Probe Turns Up Heat on Banks

The Justice Department is targeting banks that service a broad range of what it considers questionable financial ventures, including online payday lender, that officials worry may harm consumers. Alan Zibel joins the News Hub with more. Photo: Getty Images.